Hi there,
You want an system similar to edmodo? edmodo is for school and collage learning with parent account, student account and teacher account.
It can have all media files attached with it for easy learning of kids. I can help you developing that system with my quality work for your project.
I am a highly professional web developer, having a consistent rich experience of 12 years, worked with server side scripting languages like PHP and C#, Framework like Codeignitor, Cake PHP, Zend, Yii & Others, also i worked with wordpress, joomla, magento and others, My area of expertise is API integration, Component/module/plugin creation and modification, Web Design, Web Development & Search Engine Optimization [SEO], HTML 5.0 canvas. javascript and JQuery.
Being an experienced web developer, I myself feel capable in helping you with a quality work for your project, So I'd be glad if we can have further discussion about your this project, feel free to reach me anytime.
My skypeID is live:jay.vyas_4.
Thanks and Kindest regards.